package com.sky.mapper;

import com.sky.dto.ShoppingCartDTO;
import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
    /**
     * 条件查询购物车中商品的信息
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id更改商品数量
     * @param shoppingCart
     */
    @Update("update sky_take_out.shopping_cart set number = #{number} where id=#{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 插入购物车数据
     *
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车,根据用户id
     */
    @Delete("delete from sky_take_out.shopping_cart where user_id = #{userId};")
    void cleanShoppingCart(Long userId);

    /**
     * 根据id删除菜品
     * @param id
     */
    @Delete("delete from sky_take_out.shopping_cart where id = #{id}")
    void deleteShoppingCart(Long id);

    /**
     * 批量插入购物车信息
     * @param cartList
     */
    void insertBatch(List<ShoppingCart> cartList);
}
